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Study on the interface morphology in the induction welding joint of PEEK plate at low power
Journal of Polymer Engineering ( IF 2 ) Pub Date : 2020-05-06 , DOI: 10.1515/polyeng-2020-0011
Wanping Ma 1 , Xiaohong Zhan 1 , Hongyan Yang 1 , Hengchang Bu 1 , Yun Li 1 , Feiyun Wang 1
Affiliation  

Abstract Induction welding is an important joining technique with potentially significant application in the connection of the Poly Ether Ether Ketone (PEEK). The present research employs the metal mesh as induction components into the induction welding of PEEK plate to PEEK plate at low power successfully. Besides, the examinations and analyses of macro/micro-structures, energy dispersive spectroscopy (EDS) and mechanical tensile properties of the joints are conducted. Meanwhile, the characteristics and formation mechanisms of the lap-welded interface structures are interpreted in detail. The results indicate that the interface morphology of the welded joint is of high quality at low power, which most of the interface area is tightly connected due to the element diffusion. Besides, the connection mechanism of the joint is bonding connection and mechanical engagement, which plays a major role in a great performance joint. Furthermore, the tensile fracture of the joint occurs in the heat-affected zone, which contributes to a high joint tensile strength.

中文翻译:

低功率PEEK板感应焊接接头界面形貌研究

摘要 感应焊接是一种重要的连接技术,在聚醚醚酮(PEEK)的连接中具有潜在的重要应用。目前的研究成功地将金属网作为感应元件用于PEEK板与PEEK板的低功率感应焊接。此外,还对接头的宏观/微观结构、能量色散谱(EDS)和机械拉伸性能进行了检查和分析。同时,详细解释了搭接焊界面结构的特点和形成机制。结果表明,焊接接头的界面形态在低功率下具有高质量,大部分界面区域由于元素扩散而紧密连接。除了,接头的连接机制是粘接连接和机械啮合,这对接头的性能发挥了重要作用。此外,接头的拉伸断裂发生在热影响区,这有助于接头的高抗拉强度。
更新日期:2020-05-06
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